"What's the Password?" is a minimalistic puzzle game where you decode 4-digit passwords. Featuring over 100 puzzles!

Features:
A satisfying experience that can be completed in about 2 hours.
100 tricky puzzles that will make you go "aha!"
Black and white graphics that are easy on the eyes.
Puzzles that have randomized solutions for extra replayability.
Optional hints that help with especially difficult puzzles.
Achievements that make your brain feel good.

If you've read this far, you probably like puzzle games that make you think a little bit. This game has a lot of that!